TACHOMETER CHECK
When the actuator tests (item No. 2) are performed using scan tool MB991958, check that the tachometer indication error is within the standard value.
Note. Values in () indicates the reference value.
Standard value
| Engine speed r/min | Tachometer indicating error r/min |
|---|---|
| 600 | 550 - 650 |
| (2,000) | (1,950 - 2,050) |
| 3,000 | 2,950 - 3,050 |
| (4,000) | (3,950 - 4,050) |
| 5,000 | 4,950 - 5,050 |
| 6,000 | 5,950 - 6,050 |
| (7,000) | (6,950 - 7,050) |
| (8,000) | (7,950 - 8,050) |
TACHOMETER INDICATION ERROR REFERENCE CHART